Showing 1–16 of 80 results

  • Potter 5000-008 Fireray 5000 Prism Alignment Adaptor Plate

    Potter 5000-008 Fireray 5000 Prism Alignment Adaptor Plate

    $96.59

    Only 4 left in stock

    Potter 5000-008 Fireray 5000 Prism Alignment Adaptor Plate

    Add to cartLoading Done
  • Silent Knight SK-PHOTO-R-W Intelligent Photoelectric Smoke Sensor with Remote Test Capability, White

    Silent Knight SK-PHOTO-R-W Intelligent Photoelectric Smoke S

    $93.60

    In stock

    • New modern profile for improved aesthetics
    • Stable communication technique with noise immunity
    • Low standby current
    Add to cartLoading Done
  • BRK SMI105-AC Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup

    BRK SMI105-AC Interconnect Hardwire Smoke Alarm with 10-Year

    $32.19

    In stock

    • Advanced Smoke Protection, advanced sensing technology for early warning and less cooking nuisance alarms
    • Latching alarm indicator, visually identifies unit that initiated alarm or low battery
    Add to cartLoading Done
  • Honeywell Home PROSIXSMOKEV ProSeries SiX Two-Way Wireless Smoke Detector

    Honeywell Home PROSIXSMOKEV ProSeries SiX Two-Way Wireless S

    $70.40

    In stock

    • Support SiX Two-Way Wireless Technology
    • System Health Check feature
    • Device can be configured remotely
    Add to cartLoading Done
  • Fire-Lite W-SD355 SWIFT Intelligent Wireless Photoelectric Smoke Detector, Includes B501W Base and CR-123A Batteries

    Fire-Lite W-SD355 SWIFT Intelligent Wireless Photoelectric S

    $396.46

    In stock

    • Unique single-source, dual-chamber design to respond quickly and dependably to a broad range of fires.
    • Removable cover and insect-resistant screen for simple field cleaning.
    • Withstands air velocities up to 4,000 feet-per-minute (20 m/sec.) without triggering a false alarm.
    Add to cartLoading Done
  • System Sensor 2151 Photoelectric Low-Profile Plug-In Duct Smoke Detector

    System Sensor 2151 Photoelectric Low-Profile Plug-In Duct Sm

    $90.67

    In stock

    • Listed to Underwriters Laboratories 268A specifically for use in no-flow/low-flow air-handling systems.
    • Low-profile smoke detector design
    • Low standby current
    Add to cartLoading Done
  • System Sensor 4WITAR-B 4-wire, Photoelectric i3 Smoke Detector with Isolated Thermal Sensor, Built-in Sounder, Form C relay

    System Sensor 4WITAR-B 4-wire, Photoelectric i3 Smoke Detect

    $94.16

    In stock

    • Isolated Thermal Sensor
    • Built-In Sensor
    • Form C Relay
    Add to cartLoading Done
  • System Sensor OSI-R-SS Reflected Type Beam Smoke Detector, 4-Wire,

    System Sensor OSI-R-SS Reflected Type Beam Smoke Detector, 4

    $1,402.76

    In stock

    • Fast and Easy Alignment
    • Resistant to Building Movement
    • ย Resistant to Sunlight
    Add to cartLoading Done
  • Kidde KIR-OSD Optica Series Intelligent Optical Smoke Detector

    Kidde KIR-OSD Optica Series Intelligent Optical Smoke Detect

    $53.53

    In stock

    • Multi-criteria optical smoke sensing technology
    • Wide smoke obscuration
    • Integrated nuisance rejection reducing unwanted alarms from general cooking particulates
    Add to cartLoading Done
  • BRK SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup

    BRK SMI100-AC Hardwire Interconnect Smoke Alarm with Battery

    $23.93

    In stock

    • Perfect mount for easy installation. Mounting bracket keeps the alarm secure over a wide rotation range for ideal alignment
    • Interconnect Smoke Alarm, direct wire-in with 9V battery backup. Hardwired with battery backup for protection during power outages
    • Latching alarm indicator, visually identifies unit that initiated alarm or low battery
    Add to cartLoading Done
  • Kidde i9040 Fire Sentry 9V Battery Operated 4โ€ณ Smoke Alarm

    Kidde i9040 Fire Sentry 9V Battery Operated 4″ Smoke A

    $18.69

    Only 14 left in stock

    • Discreet Design – Four (4) inch diameter
    • Includes 5″ mounting plate
    • 9V Battery included
    Add to cartLoading Done
  • Qolsys QS5110-840 IQ Smoke Wireless Photoelectric Smoke Detector

    Qolsys QS5110-840 IQ Smoke Wireless Photoelectric Smoke Dete

    $81.14

    In stock

    • “Always on” technology ensures the sensor is monitored around the clock, whether your system is armed or not
    • Ultra sensitive smoke sensor prevents false alarms while constantly monitoring
    • Heat sensor detects the rapid rise in heat that comes from a fire – even when there is no smoke (like an electrical fire)
    Add to cartLoading Done
  • smoke detector with thermal sensor and sounder

    System Sensor 4WTA-B i3 Smoke Detector w/ thermal sensor and

    $80.49

    In stock

    • ย Red and green LEDs to simplify local status indication during power-up, standby, alarm, maintenance, and freeze trouble conditions
    • Installer-friendly base and plug-in design
    • Form C relay
    Add to cartLoading Done
  • Potter PAD300-PD Analog Photoelectric Smoke Detector

    Potter PAD300-PD Analog Photoelectric Smoke Detector

    $70.37

    In stock

    • Low profile, less than 2 inches with the base
    • LED alarm indicator
    • UUKL Listed for Smoke Control
    Add to cartLoading Done
  • Fire-Lite SD365 Addressable Photoelectric Smoke Detector, LiteSpeed Only, White (Replaces SD355)

    Fire-Lite SD365 Addressable Photoelectric Smoke Detector, Li

    $93.89

    In stock

    • Two-wire SLC loop connection
    • Unit uses base for wiring
    • Compatible with LiteSpeedโ„ข and CLIP protocol systems
    Add to cartLoading Done
  • Fire-Lite AD365-IV Multi-Criteria Photoelectric Thermal and Infrared Smoke Detector, Ivory

    Fire-Lite AD365-IV Multi-Criteria Photoelectric Thermal and

    $251.05

    In stock

    • Multi-criteria detection
    • UL 268 and UL 521 Listed
    • New modern profile
    Add to cartLoading Done

Smoke detectors are essential safety devices designed to provide early warnings of potential fires, helping to protect lives and property. By sensing the presence of smoke, these detectors activate an audible alarm, alerting occupants to evacuate or take action. There are two primary types of smoke detectors: ionization and photoelectric.

Ionization smoke detectors are highly effective at detecting fast-flaming fires, which produce smaller combustion particles. They use a small amount of radioactive material between two electrically charged plates, creating a current of ionized air. When smoke enters the chamber, it disrupts the flow of ions, triggering the alarm. These detectors are ideal for areas where fast-burning fires are more likely, such as kitchens and living rooms.

Photoelectric smoke detectors, on the other hand, are better at detecting slow, smoldering fires, which produce larger smoke particles. They use a light source and a sensor within a chamber. When smoke enters the chamber, it scatters the light beam, causing it to hit the sensor and trigger the alarm. Photoelectric detectors are well-suited for areas like bedrooms and hallways where smoldering fires may occur.

For comprehensive fire protection, many experts recommend using a combination of both ionization and photoelectric smoke detectors, or opting for dual-sensor detectors that incorporate both technologies